Entry 2 senses · 2 variants Webster, 1913 Humming /hŭm'-ĭng/ · Hum·ming · IPA /ˈhʌmɪŋ/ a. n. 01 a. Emitting a murmuring sound; droning; murmuring; buzzing. 1. Emitting a murmuring sound; droning; murmuring; buzzing. 02 n. A sound like that made by bees; a low, murmuring sound; a hum. 1. A sound like that made by bees; a low, murmuring sound; a hum. Phrases & compounds Humming ale — lively or strong ale. Humming-bird moth — a hawk moth. See Hawk moth, under Hawk, the bird.